FAN5343UMPX Fairchild Semiconductor, FAN5343UMPX Datasheet - Page 6

• Manufacturer Part Number: FAN5343UMPX
• Description: IC LED DVR 6LED 500MW 6ULMP
• Manufacturer: Fairchild Semiconductor
• Type: Constant Currentr

Specifications of FAN5343UMPX

• Constant Current: Yes
• Topology: Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Frequency: 1MHz ~ 1.4MHz
• Voltage - Supply: 2.7 V ~ 5.5 V
• Voltage - Output: 6.2 V ~ 24 V
• Mounting Type: Surface Mount
• Package / Case: 6-UMLP
• Operating Temperature: -40°C ~ 85°C
• Current - Output / Channel: 25mA
• Internal Switch(s): Yes
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Efficiency: -
• Lead Free Status / Rohs Status: Details
• Other names: FAN5343UMPXTR

Typical Characteristics
V
© 2009 Fairchild Semiconductor Corporation
FAN5343 • Rev. 1.0.4
IN
Figure 8. Efficiency vs. Input Voltage vs. Temperature
= 3.6V, T
Figure 4. 6 LEDs: Efficiency vs. LED Current vs.
Figure 6. 5 LEDs: Efficiency vs. LED Current vs.
6 LEDs
L = 10µH
C
5 LEDs
L = 10µH
C
OUT
OUT
A
= 1.0µF
= 1.0µF
= 25°C, I
LED
Input Voltage
Input Voltage
= 25mA, L = 10µH, C
OUT
6 LEDs
L = 10µH
C
I
LED
OUT
= 25mA
= 1.0µF
= 1.0µF
6
Figure 5. Frequency vs. Input Voltage vs. Temperature
Temperature for 6 LEDs with L=10µH and C
Figure 9. Over-Voltage Protection vs. Input Voltage
-0.2
-0.4
-0.6
0.8
0.6
0.4
0.2
0
Figure 7. Delta of V
2.7
6 LEDs
L = 10µH
C
I
LED
OUT
6 LEDs
L = 10µH
C
I
= 25mA
LED
OUT
= 1.0µF
= 25mA
-40°C
+25°C
+85°C
= 1.0µF
3
Input Voltage (V)
3.3
FB
Over Input Voltage and
3.6
www.fairchildsemi.com
3.9
OUT
=1.0µF
4.2